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Date:   Thu, 17 Feb 2022 00:50:09 -0800
From:   Christoph Hellwig <hch@infradead.org>
To:     "Wang Jianchao (Kuaishou)" <jianchao.wan9@gmail.com>
Cc:     Jens Axboe <axboe@kernel.dk>, Josef Bacik <jbacik@fb.com>,
        Tejun Heo <tj@kernel.org>,
        Bart Van Assche <bvanassche@acm.org>,
        linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC V4 2/6] blk-wbt: make wbt pluggable
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> +struct rq_qos *wbt_rq_qos(struct request_queue *q);
>  int wbt_init(struct request_queue *);


Please move the wb_lat sysfs attribute into blk-wbt.c as well, which
removes the need to expose these two functions.